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Prevalence of vitamin A deficiency, 1995-2005. Vitamin A deficiency (VAD) or hypovitaminosis A is a lack of vitamin A in blood and tissues. [1] It is common in poorer countries, especially among children and women of reproductive age, but is rarely seen in more developed countries. [1]
Nutritional deficiencies included: protein-energy malnutrition, iodine deficiency, vitamin A deficiency, and iron deficiency anaemia. [1] ... Philippines: 12.7 13.7
An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell functions. Severe vitamin A deficiency, common in infants and young children in southeast Asia causes xerophthalmia characterized by dryness of the conjunctival epithelium and cornea. Untreated ...
Vitamin E deficiency; Vitamin K deficiency; W. Wernicke encephalopathy; X. Xerophthalmia This page was last edited on 20 May 2022, at 01:20 (UTC). Text is ...
Common micronutrient deficiencies are iron, zinc, iodine, and vitamin A. Micronutrient deficiencies can cause an increase of illness due to a compromised immune systems or abnormal physiology and development. [9] Protein-Energy Malnutrition (PEM) is another form of malnutrition that affects children.
Vitamin poisoning is the condition of overly high storage levels of vitamins, which can lead to toxic symptoms. The medical names of the different conditions are derived from the vitamin involved: an excess of vitamin A, for example, is called "hypervitaminosis A". Iron overload disorders are diseases caused by the overaccumulation of iron in ...
2. Vitamin B12. One of eight B-complex vitamins, vitamin B12 is found naturally in some types of fish, red meat and fortified foods.It plays a key role in central nervous system function, DNA ...
The deficiency can be prevented with two doses of high potency vitamin A capsules every year. With the cost of providing the capsules at $1 per person per year, vitamin A supplementation is a cost-efficient initiative. [9] [10] Helen Keller started the vitamin A supplementation project in Bangladesh in 1978. Its partnership with the GOB began ...